package cn.just.controller;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @author wujiaming
 */
@WebServlet(name = "LogoutServlet",value="/LogoutServlet")
public class LogoutServlet extends HttpServlet {


    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        /**
         * 删除session中的user对象
         * 根据键的删除session
         */
        HttpSession session = request.getSession();
        session.removeAttribute("user");

        //跳转到登录页面
        response.sendRedirect("ShowLoginServlet");
    }
}
